which prep book should i buy for..

<p>ok, i'm taking 4 aps next year, and i'm planning on self studying for one, maybe two. i was just wondering which prep book i should buy so i can get a little heads start on some of the subjects:</p>

<p>ap calc
ap stat
ap comp sci
ap chem
ap gov
ap physics</p>

<p>that's all. thanks for your help!</p>

<p>ap calc - petersens
ap stat - barrons
ap comp - dunno
ap chem - PR
ap gov - PR
ap physics - PR</p>

<p>^ yea basically...</p>

<p>cool! thanks alot =]</p>